package com.itheima.controller;



import com.itheima.domian.Goods;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;


/**
 * 服务的调用方
 */

@RestController
@RequestMapping("/order")
public class OrderController {
    @Autowired
    private RestTemplate restTemplate;
    @Autowired
    private DiscoveryClient discoveryClient;

    @GetMapping("/goods/{id}")
    public Goods findGoodsById(@PathVariable("id") int id){
        System.out.println("findGoodsById..."+id);
		/*//远程调用Goods服务中的findOne接口
        String url = "http://localhost:8000/goods/findOne/"+id;
        Goods goods = restTemplate.getForObject(url, Goods.class);*/

        List<ServiceInstance> instances = discoveryClient.getInstances("EUREKA-PROVIDER");
        if(instances==null && instances.size()==0){
            return  null;
        }
        ServiceInstance instance = instances.get(0);
        String host = instance.getHost();
        int port = instance.getPort();
        System.out.println(host);
        System.out.println(port);
        String url1 = "http://"+host+":"+port+"/goods/findOne/"+id;
        Goods goods = restTemplate.getForObject(url1, Goods.class);
        return goods;
    }
}